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4 years ago

Which fraction is equivalent to -2/3 2/-3 -3/2 -2/3 2-3

Mathematics

1 answer:

melomori [17]4 years ago

7 0

Answer: -2/3 because its the same fraction

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What is the area of a circle with a radius of 12 inches? Use = 3.14.

il63 [147K]

Area of a Circle : Pi(r) $^{2}$
Area: (3.14)(12 $^{2}$ )
Area: 452.16 inches squared.

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3 years ago

Jordan wants to conduct an experiment to see if plant food makes a difference in how well plants grow. He gets 10 pots and plant

Irina18 [472]

Answer:

B. No, because Jordan should have used the same type of seeds in each pot, and should have recorded the type of seeds.

Step-by-step explanation:

<u>This was the answer from Study Island.</u>

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3 years ago

Please solve all the questions or at least one thanks. Help!

azamat

4. 10 and 5 are the dimensions

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4 years ago

Read 2 more answers

The mean of 5 numbers is 14. If the first four numbers in the data set are 12, 17, 24, and

NISA [10]

Answer:

a. x + 64 = 70

b. x = 6

Step-by-step explanation:

Let the fifth number be x.

$\implies \: mean = \frac{sum \: of \: the \: numbers}{total \: numbers} \\ \\ \implies \: 14 = \frac{12 + 17 + 24 + 11 + x}{5} \\ \\ \implies \: 14 = \frac{64 + x}{5} \\ \\ \implies \: 14 \times 5 =x+ 64 \\ \\\implies \:\purple{\bold{x+ 64 =70}}\\(this \: is \:the \: required\: equation)\\ \\ \implies \: x= 70 - 64 \\ \\ \implies \: x = 6$

5 0

2 years ago

A bag contains 43 U.S. quarters and seven Canadian quarters. (The coins are identical in size.) If six quarters are randomly pic

Marrrta [24]

Answer:

0.616

Step-by-step explanation:

The number of Us quarters is 43 while the number of Canadian quarters is 7.

The number of quarters we are to pick is 6

Mathematically, the probability of getting at least one Canadian quarter = 1 - probability of getting no Canadian quarter

This means we have to calculate the probability of getting no Canadian quarter first.

The total number of possible outcomes is 50C6 = 15,890,700

If we are to get all to be US quarters, that means we are getting exactly 6 out of 43 = 43C6 = 6,096,454

Hence, probability of no Canadian quarters is 6,096,454/15,890,700 = 0.384

The probability of at least 1 Canadian quarters is thus 1-0.384 = 0.616

6 0

3 years ago